Behringer HA4400 Powerplay Pro 4 Channel Headphone Distribution Amplifier POWERPLAY HA4400 BEHRINGER POWERPLAY PRO HA4400 is a professional and universal headphone amplifier that leaves nothing to be desired. With its flexible functions and advanced switching concept, it's destined to become standard gear in any type of studio. High-power amplifiers and a brilliantly designed signal source distribution system make the POWERPLAY a true PRO. Full power ? simple flexibility Four state-of-the-art stereo amplifiers with separate LEVEL controls and displays give the POWERPLAY PRO plenty of dynamic headroom. Each amplifier sports an individual stereo AUX IN, allowing a second audio signal to be added to the main signal. This enables you for example to mix your own instrument or a click track to the backing at the exact level you need. For maximum flexibility the four channels can not only be fed by a single MAIN INPUT signal, but also individually. Product Features Show less 4 totally independent stereo high-power amplifiers in 1 U package Highest sonic quality even with extremely high volume levels 4 independent input/aux sections provide up to 4 stereo mixes Stereo Aux input for each channel allows you to mix in any instrument or sound source Each channel with separate Output level control Mono/stereo switch for each channel gives you for more flexibility Left/right Mute switches for each channel enable you to run 2 different mixes in mono mode One front and 2 rear output jack connectors for each channel Accurate 4-segment LED meter for output level of each channel Direct input connector on the front for easy connection of any source Paralleled Main outputs to chain several headphone amplifers Servo-balanced, gold-plated XLR and 1/4" TRS inputs and outputs Ultra-low noise 4580 audio operational amplifiers for outstanding sound performance High-quality detented potentiometers and illuminated switches Internal power supply design for professional applications High-quality components and exceptionally rugged construction ensure long life This amp is used and being sold as is. It comes only with the cord pictured. Please see photos for condition. There are a lot of cosmetic scratches but nothing that effects functionality. It has been power tested and works. Thank you for supporting our small family business! shelf 62 NT